libyui-ncurses
2.44.1
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00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: NCtoY2Event.h 00020 00021 Authors: Michael Andres <ma@suse.de> 00022 Stefan Hundhammer <sh@suse.de> 00023 00024 /-*/ 00025 00026 #include "NCtoY2Event.h" 00027 #include "NCWidget.h" 00028 00029 #define YUILogComponent "ncurses" 00030 #include <yui/YUILog.h> 00031 00032 00033 NCtoY2Event::NCtoY2Event( const NCursesEvent & ncev ) 00034 : NCursesEvent( ncev ) 00035 { 00036 } 00037 00038 00039 NCtoY2Event & 00040 NCtoY2Event::operator=( const NCursesEvent & ncev ) 00041 { 00042 if ( ncev.isInternalEvent() ) 00043 NCursesEvent::operator=( none ); 00044 else 00045 NCursesEvent::operator=( ncev ); 00046 00047 return *this; 00048 } 00049 00050 00051 YEvent * 00052 NCtoY2Event::propagate() 00053 { 00054 switch ( type ) 00055 { 00056 // Note: libyui assumes ownership of YEvents, so they need to be 00057 // created on the heap with 'new'. libyui takes care of deleting them. 00058 00059 case button: 00060 00061 if ( widget && widget->isValid() ) 00062 return new YWidgetEvent( dynamic_cast<YWidget *>( widget ), reason ); 00063 else 00064 return 0; 00065 00066 case menu: 00067 if ( selection && widget && widget->isValid() ) 00068 return new YMenuEvent( selection ); 00069 else 00070 return 0; 00071 00072 case cancel: 00073 return new YCancelEvent(); 00074 00075 case timeout: 00076 return new YTimeoutEvent(); 00077 00078 case key: 00079 if ( widget && widget->isValid() ) 00080 return new YKeyEvent( keySymbol, dynamic_cast<YWidget *>( widget ) ); 00081 else 00082 return 0; 00083 00084 case none: 00085 case handled: 00086 return 0; 00087 00088 // Intentionally omitting 'default' branch so the compiler can 00089 // detect unhandled enums 00090 } 00091 00092 // If we get this far, there must be an error. 00093 00094 yuiMilestone() << "Can't propagate through (EventType*)0" << std::endl; 00095 00096 yuiDebug() << *this << std::endl; 00097 00098 return 0; 00099 } 00100 00101 00102 std::ostream & 00103 operator<< ( std::ostream & stream, const NCtoY2Event & event ) 00104 { 00105 stream << static_cast<const NCursesEvent &>( event ); 00106 00107 if ( ! event.selection ) 00108 { 00109 stream << "(-)"; 00110 } 00111 else 00112 { 00113 // 'selection' is used in NCMenuButton and NCRichtText (for hyper links) 00114 stream << "(" << event.selection->label() << ")"; 00115 } 00116 00117 return stream << " for " << event.widget; 00118 } 00119